Datasheet

Data Sheet ADM2486
Rev. E | Page 5 of 20
TIMING SPECIFICATIONS
2.7 V ≤ V
DD1
≤ 5.5 V, 4.75 V ≤ V
DD2
≤ 5.25 V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter Min Typ Max Unit Test Conditions/Comments
DRIVER
Maximum Data Rate 20 Mbps
Propagation Delay, t
PLH
, t
PHL
25 45 55 ns R
LDIFF
= 54 Ω, C
L1
= C
L2
= 100 pF, see Figure 7
RTS-to-DE Propagation Delay 20 35 55 ns See Figure 8
Pulse Width Distortion, t
PWD
5 ns R
LDIFF
= 54 Ω, C
L1
= C
L2
= 100 pF, see Figure 7 and Figure 12
Switching Skew, t
SKEW
2 5 ns R
LDIFF
= 54 Ω, C
L1
= C
L2
= 100 pF, see Figure 7 and Figure 12
Rise/Fall Time, t
R
, t
F
5 15 ns R
LDIFF
= 54 Ω, C
L1
= C
L2
= 100 pF, see Figure 7 and Figure 12
Enable Time 43 53 ns See Figure 9 and Figure 14
Disable Time 43 55 ns See Figure 9 and Figure 14
Enable Skew, |t
AZH
− t
BZL
|, |t
AZL
− t
BZH
| 1 3 ns See Figure 9 and Figure 14
Disable Skew, |t
AHZ
− t
BLZ
|, |t
ALZ
− t
BHZ
| 2 5 ns See Figure 9 and Figure 14
RECEIVER
Propagation Delay, t
PLH
, t
PHL
25 45 55 ns C
L
= 15 pF, see Figure 10 and Figure 13
Differential Skew, t
SKEW
5 ns C
L
= 15 pF, see Figure 10 and Figure 13
Enable Time 3 13 ns R
L
= 1 kΩ, C
L
= 15 pF, see Figure 11 and Figure 15
Disable Time 3 13 ns R
L
= 1 kΩ, C
L
= 15 pF, see Figure 11 and Figure 15
POWER_VALID INPUT
Enable Time 1 2 µs
Disable Time 3 5 µs